根据网站访问者的来路IP，判断访问者是否是电信或者其他类型的用户。本示例代码采用网络判断、截取字符实现这一功能。并非传统意义的下载IP地址库和路由列表。不需要手工去更新信息库资料。简单实用。-According to the website visitor s antecedents IP, determine whether the visitor is a telecommunications or other types of users. The sample code uses the network determine the interception character to achieve this functionality. Not in the traditional sense of the downloadable IP address database and routing lists. Do not need to manually update the repository information. Simple and practical.